1312 questions and answers in this section
Explain why do we have lucid dreams where we know we are dreaming?

Explain why do we have lucid dreams where we know we are dreaming?

During a lucid dream, the brain exhibits a particular activity, notably in the prefrontal cortex, an area involved in decision-making, self-criticism, and self-awareness. Normally, during...

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Explain why is the city of Coober Pedy (in Australia) built underground?

Explain why is the city of Coober Pedy (in Australia) built underground?

At the beginning of the 20th century, prospectors flocked to the region, drawn by the discovery of opal in 1915. However, the problem is that...

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Explain why is oceanographic research fundamental to understand climate change?

Explain why is oceanographic research fundamental to understand climate change?

Oceans play a major role in climate balance, particularly due to their ability to absorb a huge amount of heat from the sun. By capturing...

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Explain why does the city of Rjukan (in Norway) rely on giant mirrors to capture the sun?

Explain why does the city of Rjukan (in Norway) rely on giant mirrors to capture the sun?

The small town of Rjukan is nestled at the bottom of a narrow valley surrounded by steep mountains. Because it is located all the way...

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Explain why sheets smell better after being dried in the sun.

Explain why sheets smell better after being dried in the sun.

The sun has an effective action against a large number of microorganisms present on fabrics. When sheets dry in the sun, the ultraviolet (UV) rays...

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Explain why is the city of Baia (in Italy) currently submerged under the sea?

Explain why is the city of Baia (in Italy) currently submerged under the sea?

Baia was an ultra-trendy seaside resort in ancient Rome, located on the coast of the volcanic region of the Phlegraean Fields, near Naples. Renowned for...

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Explain why some volcanic islands increase in size year after year?

Explain why some volcanic islands increase in size year after year?

Beneath the Earth's crust, the mantle, a deep semi-fluid layer located beneath our feet, is always in motion. In certain places, warm currents slowly bring...

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Explain why orange peels leave a lingering scent on your fingers?

Explain why orange peels leave a lingering scent on your fingers?

Orange peel mainly contains essential oils, responsible for their typical scent. One of the main compounds is limonene, a highly fragrant molecule that accounts for...

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Explain why is the city of Oymyakon (in Russia) one of the coldest inhabited places in the world?

Explain why is the city of Oymyakon (in Russia) one of the coldest inhabited places in the world?

Oymyakon is located in the northeast of Siberia, deep in Yakutia, one of the most remote and isolated regions of Russia. This secluded area is...

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Explain why does the city of New Delhi (in India) experience extreme levels of pollution?

Explain why does the city of New Delhi (in India) experience extreme levels of pollution?

In New Delhi, a large portion of air pollution comes from road traffic. The city is filled with vehicles, many of which run on diesel, particularly harmful,...

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